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US

Process for Preparation of 5H-DIBENZO[A,D] Cycloheptene Derivatives

US 7,446,227 In force
OverviewFamilyAssignmentsSources & methods

Term ends Dec 11, 2026 · High confidence

Filed Dec 11, 2006 as application 11/609,075 · Granted Nov 4, 2008
Base term, 20 years from filing
Today
20 years from filing
2006 2026
Clock starts
Dec 11, 2006
Term ends
Dec 11, 2026
Granted
Nov 4, 2008
base term fee events Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
3
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: High. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Dec 11, 2006, when this application, 11/609,075, was filedDec 11, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderDec 11, 2026High confidence

This family

US 7,446,227this patent
Dec 2026
Dec 2026
Application PCT/US2007/084049PCT application
no patent term
no patent term
Application 12/138,924Abandoned
not computed
not computed
The applications whose file history this site holds. The family may have others.

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Jun 27, 2007
Reel 19486, frame 533
Nampalli, Satyam; Patel, Brijesh; Tharial, Peter Xavier; Kovi, RavishankerApicore, LLCAssignment of Assignor's Interest
Jul 3, 2014
Reel 33277, frame 320
Apicore LLCKnight Therapeutics Inc., as AgentSecurity Interest
Jul 7, 2014
Reel 33254, frame 7
Apicore LLCApicore US LLCAssignment of Assignor's Interest
Jul 8, 2014
Reel 33281, frame 920
Apicore US LLCKnight Therapeutics Inc., as AgentSecurity Interest
Jul 15, 2014
Reel 33315, frame 712
Apicore LLC; Apicore US LLCApicore US LLCMerger and Change of Name
Jan 9, 2017
Reel 40904, frame 362
Knight Therapeutics Inc.Apicore LLCRelease of Security Interest
Jan 9, 2017
Reel 40904, frame 390
Knight Therapeutics Inc.Apicore US LLCRelease of Security Interest
Jan 31, 2017
Reel 41577, frame 821
Apicore US LLCMedicure Inc.Security Interest
Jul 17, 2017
Reel 43022, frame 696
Medicure Inc.Apicore US LLCRelease of Security Interest
Oct 4, 2021
Reel 57685, frame 916
Mylan API US LLCMylan Laboratories LimitedAssignment of Assignor's Interest
Oct 4, 2021
Reel 57697, frame 758
Apicore US LLCMylan API US LLCChange of Name

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

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